<template>
	<view>
		<view class="my-settle-container">
			<!-- 全选区域 -->
			<label class="radio" @click="changeAllState">
				<radio color="#c00000" :checked="ifFullCheck"><text>全选</text></radio>
			</label>

			<!-- 合计区域 -->
			<view class="amount-box">
				合计：<text class="amout">￥{{checkedGoodsPrice}}</text>
			</view>
			<!-- 结算按钮 -->
			<view class="btn-settle" @click="settlement">
				结算({{checkedCount}})
			</view>
		</view>
	</view>
</template>

<script>
	import {
		mapGetters,
		mapMutations,

	} from 'vuex'
	export default {
		name: "my-settle",
		data() {
			return {
				// 倒计时的秒数
				seconds: 3,
				timer: null,
			};
		},
		computed: {
			...mapGetters('my_cart', ['checkedCount', 'total', 'checkedGoodsPrice']),
			...mapGetters('my_user', ['addstr']),
			...mapGetters('my_user', ['token']),

			// 是否全选
			ifFullCheck() {
				return this.total === this.checkedCount
			}
		},
		methods: {
			...mapMutations('my_cart', ['updateAllGoodsState']),
			changeAllState() {
				this.updateAllGoodsState(!this.ifFullCheck)
			},
			// 点击结算按钮
			settlement() {
				// 先判断是否选择了要结算的商品
				if (!this.checkedCount) return uni.$showMsg('请选择要结算的商品')
				// 判断用户是否选择了收获地址
				if (!this.addstr) return uni.$showMsg('请选择收货地址')

				//判断用户是否登录了
				if (!this.token) return this.delayNavigate()
			},
			// 展示倒计时的提示信息
			showTips(n) {
				uni.showToast({
					icon: 'none',
					title: `请在登录后结算！${n} 秒后自动跳转到登录页面`,
					mask: true,
					duration: 1000,
				})
			},
			// 延迟导航到 my 页面
			delayNavigate() {
				this.seconds = 3
				this.showTips(this.seconds)

				this.timer = setInterval(() => {
					this.seconds--
					if (this.seconds <= 0) {
						clearInterval(this.timer)

						uni.switchTab({
							url: '/pages/my/my',
							success: () => {
								this.updateRedirectInfo({
									openType: 'switchTab',
									from: '/pages/cart/cart'
								})
							}
						})
						return
					}
					this.showTips(this.seconds)
				}, 1000)
			}
		}
	}
</script>

<style lang="scss">
	.my-settle-container {
		position: fixed;
		bottom: 0px;
		left: 0;
		width: 100%;
		height: 50px;
		background-color: #fff;
		display: flex;
		justify-content: space-around;
		align-items: center;
		padding-left: 5px;
		font-size: 14px;

		.radio {
			display: flex;
			align-items: center;
		}

		.amout {
			color: #c00000;
		}

		.btn-settle {
			height: 50px;
			min-width: 100px;
			background-color: #c00000;
			color: #fff;
			line-height: 50px;
			text-align: center;
			padding: 0 10px;
		}
	}
</style>
